25424920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 34903880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 419, 740, 820, 838, 1480, 1517, 1640, 1676, 2095, 3034, 3352, 4190, 6068, 7585, 8380, 12136, 15170, 15503, 16760, 17179, 30340, 31006, 34358, 60680, 62012, 68716, 77515, 85895, 124024, 137432, 155030, 171790, 310060, 343580, 620120, 635623, 687160, 1271246, 2542492, 3178115, 5084984, 6356230, 12712460, 25424920]

約数ペア:

[(1, 25424920), (2, 12712460), (4, 6356230), (5, 5084984), (8, 3178115), (10, 2542492), (20, 1271246), (37, 687160), (40, 635623), (41, 620120), (74, 343580), (82, 310060), (148, 171790), (164, 155030), (185, 137432), (205, 124024), (296, 85895), (328, 77515), (370, 68716), (410, 62012), (419, 60680), (740, 34358), (820, 31006), (838, 30340), (1480, 17179), (1517, 16760), (1640, 15503), (1676, 15170), (2095, 12136), (3034, 8380), (3352, 7585), (4190, 6068)]